This is 15-90 degree mount mainly used for locations with doorbells on adjacent perpendicular walls.
Doorbell not included
Accessories available include a variety of backplates to address installation issues
Mount can be installed in any orientation and doorbell can me made to adjust
Fits Ring Doorbell 4.
Screws to mount doorbell to bracket are included. Screws to mount to the wall are not included
SEE RING MODEL PICTURE TO DETERMINE IF YOU ARE ORDERING THE CORRECT MODEL, if you order wrong model there will be fees to exchange.